81216352

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6841}}^1$

素因数の和:6911

約数の個数: 48

約数和(自身を含む): 186211872

約数和(自身を除く): 104995520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2968, 5936, 6841, 11872, 13682, 27364, 47887, 54728, 95774, 109456, 191548, 218912, 362573, 383096, 725146, 766192, 1450292, 1532384, 2538011, 2900584, 5076022, 5801168, 10152044, 11602336, 20304088, 40608176, 81216352]

約数ペア:

[(1, 81216352), (2, 40608176), (4, 20304088), (7, 11602336), (8, 10152044), (14, 5801168), (16, 5076022), (28, 2900584), (32, 2538011), (53, 1532384), (56, 1450292), (106, 766192), (112, 725146), (212, 383096), (224, 362573), (371, 218912), (424, 191548), (742, 109456), (848, 95774), (1484, 54728), (1696, 47887), (2968, 27364), (5936, 13682), (6841, 11872)]